Ashark travels with an average velocity of 12 m/s s. how long (time) would it take the shark to swim 42 m at that velocity

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Power can be defined as a. the distance over which work was done. b. how much work can be done in a given time. c. all the work in an given area. d. the energy required to do work.

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz. what wavelength is produced?